1383573 has 4 divisors (see below), whose sum is σ = 1844768. Its totient is φ = 922380.

The previous prime is 1383553. The next prime is 1383583. The reversal of 1383573 is 3753831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1383573 - 2⁶ = 1383509 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 1383573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1383553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230593 + ... + 230598.

It is an arithmetic number, because the mean of its divisors is an integer number (461192).

2^1383573 is an apocalyptic number.

It is an amenable number.

1383573 is a deficient number, since it is larger than the sum of its proper divisors (461195).

1383573 is an equidigital number, since it uses as much as digits as its factorization.

1383573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461194.

The product of its digits is 7560, while the sum is 30.

The square root of 1383573 is about 1176.2537991437. The cubic root of 1383573 is about 111.4296311067.

The spelling of 1383573 in words is "one million, three hundred eighty-three thousand, five hundred seventy-three".